<template>
  <div class="login-page">
    <!-- 标题 -->
    <van-nav-bar title="面经登录"/>
    <!-- 表单 -->
    <van-form @submit="onSubmit">
    <van-field
      v-model="username"
      name="username"
      label="用户名"
      placeholder="用户名"
      :rules="[
      { required: true, message: '请填写用户名' },
      { pattern: /^\w{5,20}$/, message: '用户名是5-20位字符' },
      ]"
    />
    <van-field
      v-model="password"
      type="password"
      name="password"
      label="密码"
      placeholder="密码"
      :rules="[
      { required: true, message: '请填写密码' },
      { pattern: /^\w{6,20}$/, message: '密码是6-20位字符' },
      ]"
    />
    <div style="margin: 16px;">
      <van-button block type="info" native-type="submit">提交</van-button>
    </div>
  </van-form>
  <router-link class="link" to="/register">注册账号</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/storage'
export default {
  name: 'login-page',
  data () {
    return {
      username: '',
      password: ''
    }
  },
  methods: {
    async onSubmit (values) {
      console.log('submit', values)
      const res = await login(values)
      console.log(res)
      // 登录成功之后立即存储
      setToken(res.data.token)
      this.$toast('登录成功')
      this.$router.push('/')
    }
  }
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
